Many power plants produce energy by burning carbon-based fuels, which also produ

Question

Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide. Carbon dioxide is a greenhouse gas, so over-production can have negative effects on the environment. Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions (1 atm and 25 degree C). Standard enthalpy of formation is symbolized as Delta Hf degree. Delta Hf degree for C8H18(l) is provided above, but you will need to look up Delta Hf degree for CO2(g), H2O(l), CH4(g), and C3H8(g). Pay close attention to the phase of a substance when looking up its enthalpy of formation. Note that water is a liquid under standard conditions.

Explanation / Answer

(a) C(graphite) + O2(g) ? CO2(g) ?H0 =

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